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PowerCard Question Simple Math

Can I create a Macro that will Track an Attribute, like Lay On Hands (current value 15 and player uses say 8) would like to automatically subtract the 8 from the 15, the new value would be whispered to the player and the gm, if a warning that the Player's Healing Pool was now empty would be even better.The player's Macro for using the Lay On Hands asks him for the value he would use then allows him to target the character's token and apply the healing using !alterbars. Pardon my ignorance with this. -Ajax
1572118676
Ziechael
Forum Champion
Sheet Author
API Scripter
Powercards is awesome but I reckon your best bet for this would be chatsetAttr , it would allow you do what you want and even have the reporting/empty pool requirement I believe. For specific answers using that option I'd ask over in the linked thread, there are many people more expert at using that awesome script than I!